When the point had achieved some exchange integral standard time,the customer might accumulate the integral according to the websitecorresponding integral and the exchange standard exchange backcoupling commodity, the website immediately deducts from the usermember integral the corresponding integral. Each back coupling project (contained each item of commodity, serviceeither ticket and so on) and the exchange standard and theexchange rule take exchanges at that time the newest back couplingactivity announcement or the table of contents as. The partial exchanges commodity has the quantity to limit, exchangesup to. The announcement or the table of contents like have the date ofexpiry, exceeds the time limit namely does not have to exchange. The integral exchange area commodity for only may use the commoditywhich the integral exchanges (for example the point: 100point)